PREMIUM MATERIAL - Canning lids are made of tinplate with premium sealing and corrosion resistance, smooth surface not liable to crack, flake or corrode. MASON JAR lIDS - The inner diameter of the mason jar lid is 5.6cm or 2.2inches, its outer diameter is 7cm or 2.75inches, and the diameter of the lid is 6.8cm or 2.7inches, a suitable size for regular mouth mason canning jars. GOOD SEALING - The sealing ring inside the jar lid makes the mason canning jar lids have good sealing performance, airtight and leak-proof, tightly seal ensures its suitable for keeping food, grains, dressings, drinks fresh, no need to worry about leakage. PERFECT DESIGN - Split-type lids design makes it fit more lids, the band can be applied in combination with silicone fermenting lids and sprouting lids, the screw which threads on the bottle mouth increases the friction force of hands, which facilitates the opening of the bottle. WIDELY APPLY - You will receive 48 sets(96pieces) canning jar lids, which are compatible with most mason jars. Canning jar caps with silicone seals, and suitable for pairing with the most bottle, jar to store fruits, cookies, candies, salad, milk, smoothies, tea, coffee, or other small products. About Us is an experienced seller of mason jar lids and bands, and we aim to provide high-quality products with fantastic stability, and perfect appearance to our consumers. Features : These storage solid caps are anti-rust and rot-resistant, you can use them to replace your rusted metal lids and avoid using the disposable lids, nice tools for kitchen, home, and restaurant. The mason jar split type lid, which is not easy to rust, durable, and can be used many times. High and low-temperature resistant, so it can be served in refrigerators, dishwashers, and microwave ovens. Each jar sealing band features small grooves design for a tight and secure fit, not easy to slip or move around, tightly seal. When you receive the mason jar lids, please first take the lid out of the seal, then gently put the lid on the jar, and finally put the seal outside the lid, and gently twist the seal. Please do not hesitate to contact us if any issues with our regular mouth mason jar lids, you can get 30 days of worry-free refund, 7 days of 24-hour service after receiving it. Just remember that your satisfaction is our first priority. Specifications : Material: Tinplate Color: Golden Size: Diameter: 5.6 cm or 2.2 inches Outer diameter: 7 cm or 2.75 inches The diameter of the lid: 6.8 cm or 2.7 inches Package Includes : 96 x Regular mouth mason jar lids and bands Notes : Because of manual measurement, please allow an error of 1-2 percent . Thoughtful Service : Any questions, please feel free to contact us on Amazon, we will answer and solve for you within 24 hours. Happy shopping